65) If a cantilever beam is subjected to a point load at its free end, then its bending moment diagram will look like

An equilateral triangle with maximum bending moment at the centre

A right-angled triangle with zero bending moment at free end and maximum bending moment at fixed end

A right-angled triangle with maximum bending moment at free end and zero bending moment at fixed end

A rectangle with equal bending moment at both ends

Answer is:

A right-angled triangle with zero bending moment at free end and maximum bending moment at fixed end

Explanation:

If a cantilever beam is subjected to a point load at its free end, then its bending moment diagram will look like a right-angled triangle with zero bending moment at free end and maximum bending moment at fixed end.

KPSC Water Resource Department Junior Engineer Mechanical Question Paper 2017 with Answer Key

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Related KPSC Water Resource Department Junior Engineer Mechanical Question Paper 2017 with Answer Key

66) If a part in a drawing is dimensioned as SR40, it means

Surface radius 40

Square with 40 as side

Spherical radius 40

Surface roughness 40

Answer is:

Spherical radius 40

67) Which one of the following is not an axonometric projection ?

Diametric projection

Perspective projection

Isometric projection

Trimetric projection

Answer is:

Perspective projection

68) Which method of development is used when the surfaces of solids are bound by double curved surfaces ?

Parallel line development

Radial line development

Triangulation development

Approximate development

Answer is:

Approximate development

69) A line drawn at an angle of 45 degree in order to draw the third view of a component, when two other views are known, is called

Projection line

Miter line

Generator line

Leader line

Answer is:

Miter line

KPSC Water Resource Department Junior Engineer Mechanical Question Paper 2017 with Answer Key

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